The large modern styled Cipher frame offers an excellent field of vision and protection. With an adjustable nose piece and temple tips, it tailors to fit all face shapes and stays firmly in on any terrain. Polycarbonate Lenses: Optics from Madison meets the highest standard for eyewear; ISO 12312. The interchangeable polycarbonate lenses are both impact and scratch-resistant. The lenses offer both supreme optical clarity and UV-A and UV-B protectionMulti-Purpose: Both versatile and stylish, Madison Optics maintain their good looks on the road or trailsTR-90 Frames: TR-90 plastics are lightweight, flexible and durable. TR-90 plastic memory allows them to flex and return to their original shape without breaking or bendingSecure Fit: Our frames work seamlessly with your helmet with non-slip rubber tips for maximum comfort and security. The flexible nose-piece allows you to dial in the perfect fit, adjusting for extra venting if desiredSoft Pouch: We have included a soft pouch for lens cleaning and protection on the move. An optional RX insert is available for prescription lensesSize Spec: Lens Width: 129mm, Lens Height: 56mm, Frame Width: 141mm, Bridge Height: 13mm, Arm Length: 127mmLimited Lifetime Warranty: At Madison, we pride ourselves on offering an excellent product with aftercare to match. That's why this product is covered by our Limited Lifetime Warranty